Home / 151,706,137.40-209,354,833.52-82,092,265.28

Finding the Fourth Proportional to 151,706,137.40, 209,354,833.52 and 82,092,265.28

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Solution

The fourth proportional to 151,706,137.40, 209,354,833.52 and 82,092,265.28 is: 113,287,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,706,137.40 : 209,354,833.52 = 82,092,265.28 : x
  2. Step 2: Convert to fraction form
    151,706,137.40/209,354,833.52 = 82,092,265.28/x
  3. Step 3: Cross multiply
    151,706,137.40x = 209,354,833.52 × 82,092,265.28
  4. Step 4: Simplify right side
    151,706,137.40x = 17,186,412,530,974,078
  5. Step 5: Solve for x
    x = 17,186,412,530,974,078/151,706,137.40
  6. Step 6: Final answer
    x = 113,287,523.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.